2023gkb

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Information

Transient

Name: SN2023gkb
Right ascension: 21h31m00.83s
Declination: -3d58m53.78s
Discovery Date: April 22, 2023, 9:16 a.m.
Classification: SN II
Redshift: 0.026181
MW E(B-V): 0.035

Host

Name: 66884
Right ascension: 21h31m00.72s
Declination: -3d58m59.08s
Redshift: 0.026278
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.13
Cutout download processed 17.75
Global aperture construction processed 0.66
Local aperture photometry processed 7.02
Global aperture photometry processed 6.65
Validate local photometry processed 0.03
Validate global photometry processed 15.15
Host information processed 0.12
Global host SED inference processed 643.48
Local host SED inference processed 541.08
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.03
Processing status completed N/A N/A
 

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 21h31m00.83s, -3d58m53.78s
semi major axis, semi minor axis (arcsec) = 3.79, 3.79
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 161.72 4.5 18.378 0.030 AB
SDSS_g 360.41 5.16 17.508 0.016 AB
DES_g 367.27 0.92 17.488 0.003 AB
PanSTARRS_g 387.12 0.9 17.430 0.003 AB
SDSS_r 468.08 5.95 17.224 0.014 AB
PanSTARRS_r 517.89 1.16 17.114 0.002 AB
DES_r 497.96 1.74 17.157 0.004 AB
SDSS_i 520.67 6.7 17.109 0.014 AB
PanSTARRS_i 556.43 1.18 17.036 0.002 AB
PanSTARRS_z 583.58 2.72 16.985 0.005 AB
SDSS_z 563.48 12.41 17.023 0.024 AB
DES_z 587.47 4.93 16.978 0.009 AB
PanSTARRS_y 633.4 6.66 16.896 0.011 AB
2MASS_J 564.02 91.12 16.127 0.175 Vega
2MASS_H 800.82 165.97 15.274 0.225 Vega
2MASS_K 782.71 161.27 14.828 0.224 Vega

Aperture details

RA, DEC (J2000) = 21h31m00.93s, -3d59m00.61s
semi major axis, semi minor axis (arcsec) = 32.77, 20.89
angle (degrees, anti-clockwise from east) = -86.88

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 8477.56 7.56 14.079 0.001 AB
PanSTARRS_y 9647.05 45.56 13.939 0.005 AB
WISE_W1 5075.99 62.87 11.937 0.013 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.831 9.009 9.122
{\rm log}_{10}({\rm SFR}) -0.985 -0.473 -0.080
{\rm log}_{10}({\rm sSFR}) -10.018 -9.506 -8.981
{\rm stellar\ age} 3.227 5.917 7.450

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.850 -1.549 -1.023
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.899 -1.583 0.276

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.130 0.341 0.585
\delta -0.613 -0.210 0.164
\tau_1/\tau_2 0.752 1.119 1.498
Q_{PAH} 0.789 2.195 4.482
U_{min} 2.758 8.343 15.647
{\rm log}_{10}(\gamma_e)\, -3.223 -1.855 -0.955

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.240 -2.716 -1.348
{\rm log}_{10}(\tau_{AGN})\, 0.904 1.457 1.971

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.377 -1.036 -0.779
0.03-0.10 Gyr -0.928 -0.353 0.063
0.10-0.33 Gyr -0.935 -0.436 -0.059
0.33-1.10 Gyr -1.465 -0.874 -0.567
1.10-3.64 Gyr -1.561 -0.948 -0.689
3.64-12.06 Gyr -1.764 -1.025 -0.766
12.06-13.41 Gyr -1.974 -1.035 -0.510

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.933 10.171 10.332
{\rm log}_{10}({\rm SFR}) 0.090 0.531 1.029
{\rm log}_{10}({\rm sSFR}) -10.104 -9.643 -9.045
{\rm stellar\ age} 3.088 6.817 8.777

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.474 -1.009 -0.511
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.826 -1.297 -0.037

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.058 0.146 0.272
\delta -0.810 -0.284 0.214
\tau_1/\tau_2 0.460 0.936 1.389
Q_{PAH} 0.494 1.532 3.101
U_{min} 2.615 7.787 14.637
{\rm log}_{10}(\gamma_e)\, -3.530 -2.131 -1.312

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.079 -2.532 -1.672
{\rm log}_{10}(\tau_{AGN})\, 0.952 1.412 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.091 0.439 0.638
0.03-0.10 Gyr -0.300 0.548 1.155
0.10-0.33 Gyr -0.882 0.256 0.809
0.33-1.10 Gyr -1.194 0.016 0.520
1.10-3.64 Gyr -0.970 0.013 0.425
3.64-12.06 Gyr -0.957 0.144 0.427
12.06-13.41 Gyr -1.120 0.226 0.913